CN113720852A - Multi-camera image acquisition monitoring device - Google Patents
Multi-camera image acquisition monitoring device Download PDFInfo
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- CN113720852A CN113720852A CN202110937935.2A CN202110937935A CN113720852A CN 113720852 A CN113720852 A CN 113720852A CN 202110937935 A CN202110937935 A CN 202110937935A CN 113720852 A CN113720852 A CN 113720852A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009661 fatigue test Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
Abstract
The application belongs to the technical field of aircraft structure fatigue test structure damage monitoring, concretely relates to multi-camera image acquisition monitoring devices, include: a carrier; the 2D plane camera is connected to the bearing frame and can acquire a 2D plane image of a preset part; the 3D structure camera is connected to the bearing frame and can acquire a 3D structure image of a preset part; and the monitor is connected with the 2D plane camera and the 3D structure camera, can fuse the 2D plane image and the 3D structure image, compares the fused image with a preset original image of the preset part, and judges whether the preset part is damaged or not.
Description
Technical Field
The application belongs to the technical field of structural damage monitoring of airplane structure fatigue tests, and particularly relates to a multi-camera image acquisition and monitoring device.
Background
In the fatigue test of the airplane structure, the airplane structure needs to be continuously monitored so as to discover cracks and deformation damage on the surface of the airplane structure in time.
At present, gather aircraft structure 2D plane image with 2D plane camera more, compare the 2D plane image who gathers with the original image of aircraft structure, judge whether crack damage appears in the aircraft structure to and gather the 3D structure image of aircraft structure with 3D structure camera, compare the 3D structure image who gathers with the original image of aircraft structure, judge whether deformation damage appears in the aircraft structure, this kind of technical scheme has following defect:
the 2D plane camera and the 3D structure camera independently collect the surface image of the aircraft structure, the collection process is inconsistent, whether cracks and deformation damage occur on the surface of the aircraft structure or not is judged by the 2D plane camera and the 3D structure camera respectively, and misjudgment is easy to occur.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a multi-camera image acquisition monitoring device to overcome or mitigate the technical drawbacks of at least one aspect of the known existence.
The technical scheme of the application is as follows:
a multi-camera image acquisition monitoring device comprising:
a carrier;
the 2D plane camera is connected to the bearing frame and can acquire a 2D plane image of a preset part;
the 3D structure camera is connected to the bearing frame and can acquire a 3D structure image of a preset part;
and the monitor is connected with the 2D plane camera and the 3D structure camera, can fuse the 2D plane image and the 3D structure image, compares the fused image with a preset original image of the preset part, and judges whether the preset part is damaged or not.
According to at least one embodiment of the present application, in the multi-camera image capturing and monitoring device, the 2D plane camera is a 5K high definition industrial camera;
the 3D structure camera is a structured light 3D structure camera.
According to at least one embodiment of the present application, in the multi-camera image acquisition monitoring apparatus, a plurality of 2D plane cameras are distributed around the 3D structure camera; each 2D plane camera can acquire a partial 2D plane image of a predetermined part;
the monitor can splice 2D plane images of all parts, and the spliced images are fused with images acquired by the 3D structure camera.
According to at least one embodiment of the present application, in the above multi-camera image acquisition monitoring apparatus, the monitor can fuse a 2D planar image and a 3D structural image, specifically:
the monitor is capable of constructing a three-dimensional model of the surface of the predetermined site based on the 3D structural image;
the monitor can fuse the 2D planar image with the three-dimensional model such that the 2D planar image is projected onto the corresponding portion of the three-dimensional model.
According to at least one embodiment of the present application, in the multi-camera image capturing and monitoring device, the monitor performs data transmission with the 2D plane camera and the 3D structure camera through a 5G network.
According to at least one embodiment of the present application, the above multi-camera image acquisition monitoring apparatus further includes:
and the monitoring camera is connected with the monitor and can acquire a monitoring image of a preset part.
According to at least one embodiment of the present application, in the multi-camera image capturing and monitoring apparatus, a capturing range of the monitoring image is larger than a range of the predetermined portion.
According to at least one embodiment of the present application, in the multi-camera image capturing and monitoring device, data transmission is performed between the monitor and the monitoring camera through a 5G network.
According to at least one embodiment of the present application, the above multi-camera image acquisition monitoring apparatus further includes:
and the manipulator is connected with the bearing frame and the monitor so as to move under the control of the monitor and adjust the posture of the bearing frame.
According to at least one embodiment of the present application, the above multi-camera image acquisition monitoring apparatus further includes:
the self-propelled trolley is connected with the mechanical arm and is connected with the monitor so as to be capable of moving under the control of the monitor.
Drawings
Fig. 1 is a schematic diagram of a multi-camera image acquisition monitoring device provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a 2D plane camera and a 3D structure camera provided in the embodiment of the present application for acquiring an image of a predetermined part;
wherein:
1-a bearing frame; 2-2D planar cameras; a 3-3D structure camera; 4-a monitor; 5-a monitoring camera; 6-a manipulator; 7-self-propelled trolley.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1-2.
A multi-camera image acquisition monitoring device comprising:
a carrier 1;
the 2D plane camera 2 is connected to the bearing frame 1 and can acquire a 2D plane image of a preset part;
the 3D structure camera 3 is connected to the bearing frame 1 and can acquire a 3D structure image of a preset part;
and the monitor 4 is connected with the 2D plane camera 2 and the 3D structure camera 3, can fuse the 2D plane image and the 3D structure image, compares the fused image with a preset original image of a preset part, and judges whether the preset part is damaged or not.
For the multi-camera image acquisition monitoring device disclosed in the above embodiments, it will be understood by those skilled in the art that, the device can be used as a damage detection device of the airplane structure in the fatigue test of the airplane structure, wherein the predetermined part is a part needing damage monitoring at a certain position on the airplane structure, the 2D plane camera 2 and the 3D structure camera 3 are used for collecting the images of the part and transmitting the images to the monitor 4, the monitor 4 is used for fusing the collected 2D plane images and the 3D structure images, comparing the fused image with the preset original 2D and 3D fused image of the part, because the fused image contains more effective information relative to the single 2D plane image and the 3D structure image, whether the part is damaged or not is judged based on the fused image, and the accuracy of crack damage and deformation damage is high.
For the multi-camera image acquisition monitoring device disclosed in the above embodiment, it can be further understood by those skilled in the art that the 2D plane cameras 2 and the 3D structure cameras 3 can acquire images of predetermined portions, that is, the acquisition fields of view of the 2D plane cameras 2 and the 3D structure cameras 3 coincide at the predetermined portions, and the acquisition can be achieved by adjusting the shooting angles of the 2D plane cameras 2 and the 3D structure cameras 3, and after the angles are adjusted to the predetermined positions, the relative positions of the 2D plane cameras 2 and the 3D structure cameras 3 are fixed on the bearing frame 1, and the relative positions of the 2D plane cameras 2 and the 3D structure cameras 3 are fixed, and can only follow the bearing frame 1 to move synchronously, and in addition, the 2D plane cameras 2 and the 3D structure cameras can be controlled to acquire 2D plane images and 3D structure images of the predetermined portions synchronously, and the device has better cooperativity.
In some optional embodiments, in the above multi-camera image acquisition monitoring apparatus, the 2D planar camera 2 is a 5K high definition industrial camera;
the 3D structure camera 3 is a structured light 3D structure camera.
In some optional embodiments, in the above multi-camera image acquisition monitoring apparatus, a plurality of 2D plane cameras 2 are distributed around the 3D structure camera; each 2D plane camera 2 is capable of acquiring a partial 2D plane image of a predetermined portion;
the monitor 4 can splice the 2D plane images of the parts and fuse the spliced images with the images acquired by the 3D structure camera 3.
For the multi-camera image acquisition monitoring device disclosed in the above embodiment, as can be understood by those skilled in the art, a plurality of 2D plane cameras 2 are designed, each 2D plane camera 2 can acquire a partial 2D plane image of a predetermined portion, the monitor 4 splices the partial 2D plane images to obtain a 2D plane image of the predetermined portion, in addition, the 2D plane cameras 2 are designed to be distributed around the 3D structure camera, the acquisition fields of view of the 2D plane cameras 2 and the 3D structure camera 3 can be easily adjusted to coincide at predetermined positions, and two 2D plane cameras 2 may be specifically provided, as shown in fig. 2.
In some optional embodiments, in the above multi-camera image acquisition monitoring apparatus, the monitor 4 can fuse the 2D planar image and the 3D structural image, specifically:
the monitor 4 is capable of constructing a three-dimensional model of the surface of the predetermined site based on the 3D structural image;
the monitor 4 is capable of fusing the 2D planar image with the three-dimensional model such that the 2D planar image is projected on a corresponding portion of the three-dimensional model.
In some optional embodiments, in the above multi-camera image capturing and monitoring apparatus, the monitor 4 performs data transmission with the 2D plane camera 2 and the 3D structure camera 3 through a 5G network, so as to ensure that the monitor 4 controls the 2D plane camera 2 and the 3D structure camera 3 to capture images and receive the synchronicity of the images captured by the 2D plane camera 2 and the 3D structure camera 3 in time.
In some optional embodiments, the above multi-camera image acquisition monitoring apparatus further includes:
and a monitoring camera 5 connected to the monitor 4 and capable of acquiring a monitoring image of the predetermined portion to monitor the image of the predetermined portion.
In some optional embodiments, in the above multi-camera image capturing and monitoring apparatus, the capturing range of the monitoring image is larger than the range of the predetermined portion, so as to better monitor the image of the predetermined portion.
In some optional embodiments, in the above-mentioned multi-camera image capturing and monitoring apparatus, data transmission is performed between the monitor 4 and the monitoring camera 5 through a 5G network.
In some optional embodiments, the above multi-camera image acquisition monitoring apparatus further includes:
and the manipulator 6 is connected with the bearing frame 1 and the monitor 4, can move under the control of the monitor 4, and adjusts the posture of the bearing frame 1, so that the damage monitoring of different parts on the airplane structure is realized.
In some optional embodiments, the above multi-camera image acquisition monitoring apparatus further includes:
and the self-propelled trolley 7 is connected with the manipulator 6 and the monitor 4 so as to move under the control of the monitor 4, and drives the manipulator 6 and the bearing frame 1 thereof, the 2D plane camera 2 and the 3D structure camera 3 to change the spatial position.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. A multi-camera image acquisition monitoring device, comprising:
a carrier (1);
the 2D plane camera (2) is connected to the bearing frame (1) and can acquire a 2D plane image of a preset part;
the 3D structure camera (3) is connected to the bearing frame (1) and can acquire a 3D structure image of the preset part;
and the monitor (4) is connected with the 2D plane camera (2) and the 3D structure camera (3), can fuse the 2D plane image and the 3D structure image, compares the fused image with a preset original image of a preset position, and judges whether the preset position is damaged or not.
2. Multi-camera image acquisition monitoring device according to claim 1,
the 2D plane camera (2) is a 5K high-definition industrial camera;
the 3D structure camera (3) is a structured light 3D structure camera.
3. Multi-camera image acquisition monitoring device according to claim 1,
the 2D plane cameras (2) are distributed around the 3D structure camera; each of the 2D planar cameras (2) is capable of acquiring a partial 2D planar image of the predetermined portion;
the monitor (4) can splice each partial 2D plane image and fuse the spliced image with the image acquired by the 3D structure camera (3).
4. Multi-camera image acquisition monitoring device according to claim 1,
the monitor (4) can fuse the 2D plane image and the 3D structure image, and specifically comprises:
the monitor (4) is capable of constructing a three-dimensional model of the predetermined part surface based on the 3D structural image;
the monitor (4) is capable of fusing the 2D planar image with the three-dimensional model such that the 2D planar image is projected on a corresponding portion of the three-dimensional model.
5. Multi-camera image acquisition monitoring device according to claim 1,
and the monitor (4) and the 2D plane camera (2) and the 3D structure camera (3) carry out data transmission through a 5G network.
6. Multi-camera image acquisition monitoring device according to claim 1,
further comprising:
and the monitoring camera (5) is connected with the monitor (4) and can acquire a monitoring image of a preset part.
7. Multi-camera image acquisition monitoring device according to claim 6,
the acquisition range of the monitoring image is larger than the range of the preset part.
8. Multi-camera image acquisition monitoring device according to claim 6,
and data transmission is carried out between the monitor (4) and the monitoring camera (5) through a 5G network.
9. Multi-camera image acquisition monitoring device according to claim 1,
further comprising:
and the manipulator (6) is connected with the bearing frame (1) and the monitor (4) and can move under the control of the monitor (4) to adjust the posture of the bearing frame (1).
10. Multi-camera image acquisition monitoring device according to claim 9,
further comprising:
a self-propelled trolley (7) on which the manipulator (6) is connected and which is connected to the monitor (4) so as to be able to travel under the control of the monitor (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110937935.2A CN113720852A (en) | 2021-08-16 | 2021-08-16 | Multi-camera image acquisition monitoring device |
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| CN202110937935.2A CN113720852A (en) | 2021-08-16 | 2021-08-16 | Multi-camera image acquisition monitoring device |
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